Construction codes of Ontario

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Loads on Vehicle Guardrails

Loads on Vehicle Guardrails (1) Vehicle guardrails shall be designed for a concentrated load of 22 kN applied horizontally outward at any point 500 mm above the floor surface so as to produce the most critical effect. (2) The loads described in Sentence (1) need not be considered to act simultaneously with the loads provided for in […]

Location of Carbon Monoxide Alarms

Location of Carbon Monoxide Alarms (1) Where a fuel-burning appliance is installed in a suite of residential occupancy, a carbon monoxide alarm shall be installed adjacent to each sleeping area in the suite. (2) Where a fuel-burning appliance is installed in a service room that is not in a suite of residential occupancy, a carbon monoxide […]

Location of the Vapour Barrier

Location of the Vapour Barrier To prevent condensation from forming within building envelope assemblies, materials that act as vapour barriers (vapour retarders), including certain types of insulation, must be located within the assembly so that moisture moving from the inside to the outside does not condense and accumulate within the assembly. This means that vapour […]

Maximum Allowable Clear Spans for Lintels in Flat Loadbearing Insulating Concrete Form (1-15M Bottom Bar)

Maximum Allowable Clear Spans for Lintels in Flat Loadbearing Insulating Concrete Form (ICF) Walls(1)(2)(3) (1-15M Bottom Bar) Table A-18Forming Part of Sentence 9.20.17.4.(3) Notes to Table A-18: (1) Deflection criteria is L/240, where “L” is the clear span of the lintel. (2) Linear interpolation is permitted between ground snow loads and between lintel depths. (3) 10M stirrups are […]

Maximum Allowable Clear Spans for Lintels in Flat Loadbearing Insulating Concrete Form (ICF) Bottom Bar)

Maximum Allowable Clear Spans for Lintels in Flat Loadbearing Insulating Concrete Form (ICF) Walls(1)(2)(3) (2-15M Bottom Bar) Table A-19 Forming Part of Sentence 9.20.17.4.(3) Notes to Table A-19: (1) Deflection criteria is L/240, where “L” is the clear span of the lintel. (2) Linear interpolation is permitted between ground snow loads and between lintel depths. (3) 10M stirrups […]

Maximum Allowable Clear Spans for Lintels in Flat Loadbearing Insulating Concrete Form Table

Maximum Allowable Clear Spans for Lintels in Flat Loadbearing Insulating Concrete Form (ICF) Walls(1)(2)(3) (1-10M Bottom Bar) Table A-17 Forming Part of Sentence 9.20.17.4.(3) Notes to Table A-17: (1) Deflection criteria is L/240, where “L” is the clear span of the lintel. (2) Linear interpolation is permitted between ground snow loads and between lintel depths. (3) 10M stirrups […]

Maximum number of insulated conductors in a box

Maximum number of insulated conductors in a box (see Appendix B) 1) Boxes shall be of sufficient size to provide usable space for all insulated conductors contained in the box, subject to the following: a) an insulated conductor running through a box with no connection therein shall be considered as one insulated conductor;b) each insulated […]